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Questions & Answers
If the adjustment screw is on the side, what is the front set screw for? Manufacturer Answer

The front "Jam" set screw is to hold or jam the side adjustment screw from backing out. the Jam screw does not have to be overly tightened.

by Sadlak, Manufacturer, July 13, 2022
What are the set screw sizes? Expert Answer

The manufacturer doesn't state the set screw size. I recommend contacting the manufacturer in regards to that information.

by Hunter, Gear Expert, February 25, 2022
Customer Reviews
Helpful Positive Review
Gassed Up? Na, gassed appropriate! by Josh, Verified Owner, November 10, 2025
I was able to easily tune my new build within minutes (had to find my Allen key). But overall, it works as advertised and at a wonderful price.
2/2 found this helpful
Helpful Positive Review
Quality part,Great value by Avnut, Verified Owner, June 14, 2022
I purchased the .936 set screw model for a heavy barrel 16" carbine .458 socom build. I found the Sadlak Gas block to be well made and well finished. It is parkerized .Adjusting screw is on right side. Lock screw is on front. No where in my searches...
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24/24 found this helpful
Helpful Positive Review
Adjustability on the cheap by Daniel Trombley, Verified Owner, March 11, 2025
Surprised by the quality for the price. Sizing was accurate and installed without fuss. Had the brass hitting at 3 on the clock then locked it in. Ran 100rds with zero issues on supersonics' followed by 100rds of sub after adjustment with the same re...
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1/1 found this helpful
Helpful Positive Review
Best bargin by Turbo, Verified Owner, July 1, 2021
This gas block is amazing for what it is. Saying that this is a $25 adjustable gas block and I could not tell the difference between that and the odin adjustable gas block I had on it. It is by far an outstanding product
4/4 found this helpful
Helpful Positive Review
Excellent and cheap by David, Verified Owner, July 3, 2021
Works fantastic. I have adjustable gas blocks on all the seven or eight ARs I have. I have very cheap ones and very fancy ones, but this simple "set it and forget it" design is my favorite. I think adjustable gas blocks are A no brainer and this one ...
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4/4 found this helpful
Helpful Positive Review
Good Value, works as advertised by FMJ .308, Verified Owner, July 9, 2021
Well, I installed this on my 300AAC pistol and did not help cycling issues. Gonna use it on my 5.56 carbine to soften up the recoil now. Great value for price, and fits perfectly. If you want to save 40-60 bucks, this is a good option
2/2 found this helpful
Read All 28 Reviews
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Product Info for SADLAK Adjustable Low Profile Gas Block

Low Profile Adjustable Gas Block, .750 Bore Diameter, Steel, Manganese Phosphate, with Fine thread adjustment screw for precision adjustment.image

WARNING: California`s Proposition 65

Specifications for SADLAK Adjustable Low Profile Gas Block:

Manufacturer: SADLAK
Color: Black
Coating: Manganese Phosphate
Fabric/Material: Steel
Gun Make: Universal
Gun Model: AR-15
Condition: New
Gas Block Journal Size-Length: 0.95 in

Features of SADLAK Adjustable Low Profile Gas Block

  • All of SADLAKs Gas Blocks are made in specialized factories by craftsmen with years of experience delivering consistent quality. All the bores are precision honed and all critical measurements are 100% inspected to insure consistancy and quality.

Package Contents:

  • SADLAK Adjustable Low Profile Gas Block

SADLAK Adjustable Low Profile Gas Block Orderable Models

List of Orderable Models

  • SADLAK Adjustable Low Profile Gas Block, .750 Bore Diameter, Black, Medium, GB107AJ , MPN: GB107AJ , UPC: 855981008329 , Code: 3CO-RGB-ADJGB-GB107AJ
  • SADLAK Adjustable Low Profile Gas Block, .875 Bore Diameter, Black, Large, GB157AJ , MPN: GB157AJ , UPC: 855981008596 , Code: 3CO-RGB-ADJGB-GB157AJ
  • SADLAK Adjustable Low Profile Gas Block, .936 Bore Diameter, Black, GB207AJ , MPN: GB207AJ , UPC: 855981008336 , Code: 3CO-RGB-ADJGB-GB207AJ

SADLAK Adjustable Low Profile Gas Block Unavailable & Discontinued Models

List of Unorderable Models

  • USED SADLAK Adjustable Low Profile Gas Block, .750 Bore Diameter, Black, Medium, GB107AJ, EDEMO4, Condition Fair, Scratches , MPN: GB107AJ-EDEMO4 , Code: 3CO-RGB-ADJGB-GB107AJ-EDEMO-SC-D
  • USED SADLAK Adjustable Low Profile Gas Block, .875 Bore Diameter, Black, Large, GB157AJ, EDEMO1, Used, Condition Fair , MPN: GB157AJ-EDEMO1 , Code: 3CO-RGB-ADJGB-GB157AJ-EDEMO1
  • USED SADLAK Adjustable Low Profile Gas Block, .750 Bore Diameter, Black, Medium, GB107AJ, EDEMO5, Used, Condition Fair , MPN: GB107AJ-EDEMO5 , Code: 3CO-RGB-ADJGB-GB107AJ-EDEMO5
  • USED, SADLAK Adjustable Low Profile Gas Block, .750 Bore Diameter, Black, Medium, GB107AJ , MPN: GB107AJ-EDEMO , Code: 3CO-RGB-ADJGB-GB107AJ-EDEMO-DF-D
  • USED, SADLAK Adjustable Low Profile Gas Block, .936 Bore Diameter, Black, GB207AJ , MPN: GB207AJ-EDEMO , Code: 3CO-RGB-ADJGB-GB207AJ-EDEMO-SC-A
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